| Year | Month | Day | Rating | Rank |
|---|---|---|---|---|
| 2010 | January | 1 | 10383 | 833 |
| 2009 | July | 1 | 10385 | 818 |
| 2009 | June | 1 | 10385 | 799 |
| 2008 | December | 1 | 10390 | 805 |
| 2008 | November | 1 | 10391 | 808 |
| 2008 | October | 1 | 10380 | 847 |
| 2008 | September | 1 | 10366 | 841 |
| 2008 | August | 1 | 10366 | 900 |
| 2008 | July | 1 | 10365 | 909 |
| 2008 | June | 1 | 10365 | 930 |
| 2008 | May | 1 | 10366 | 973 |
| 2008 | April | 1 | 10361 | 979 |
| 2008 | March | 1 | 10361 | 980 |